A good way for trade unions to embrace social media?

Just had an email about this YouTube video where employees of Miller Brewing Company sing on YouTube to express their anger that CEO Norman Adami is freezing their pensions. Not very well implemented, but great idea and an example of what trade unions could do to embrace social media.

I'm having trouble finding this on YouTube, have Miller had it removed? It is a good example of how social media can help keep companies in check but I'd be a little worried of being googled in a future job, 'Hang on I recognise your face…'